The Chemical News and Journal of Industrial Science, Tom 1221921 |
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Strona 7
... preparing students for institutions of higher learning . Slow progress in college is attributed to lack of proper ... preparation when he says , " And even if a freshman is some- what dulled by his previous training , that seems scarcely ...
... preparing students for institutions of higher learning . Slow progress in college is attributed to lack of proper ... preparation when he says , " And even if a freshman is some- what dulled by his previous training , that seems scarcely ...
Strona 8
... preparation of nitrogenous compounds . The method has many points of resemblance with the Haber process , but is ... prepared by electrolysis of cyanides and the gas thus produced is run through concentrated hydrochloric acid , where ...
... preparation of nitrogenous compounds . The method has many points of resemblance with the Haber process , but is ... prepared by electrolysis of cyanides and the gas thus produced is run through concentrated hydrochloric acid , where ...
Strona 26
... preparation of the Phosphorus Mirabilis , and it was only after some time that he sold the secret to Krafft for a ... prepared his phosphorus by calcining oyster shells with sulphur , and it is to his credit that he was really the ...
... preparation of the Phosphorus Mirabilis , and it was only after some time that he sold the secret to Krafft for a ... prepared his phosphorus by calcining oyster shells with sulphur , and it is to his credit that he was really the ...
Strona 27
... prepared the fluorides of cobalt , nickel , and copper , and regarded them as so similar that he described them together . " If the carbonate ( of the metal ) is treated with hydrofluoric acid , it will dissolve with effervescence , but ...
... prepared the fluorides of cobalt , nickel , and copper , and regarded them as so similar that he described them together . " If the carbonate ( of the metal ) is treated with hydrofluoric acid , it will dissolve with effervescence , but ...
Strona 28
... prepared in this way , special attention was given to preparing a product which could be regarded as suitable for analysis , but examination with the petrographic microscope showed the preparations - except in the case of the copper ...
... prepared in this way , special attention was given to preparing a product which could be regarded as suitable for analysis , but examination with the petrographic microscope showed the preparations - except in the case of the copper ...
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